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TIL Shoulder injuries are more common in Crossfit than in Olympic weightlifting and 73.5% of CrossFit athletes had sustained an injury that had prevented them from working, training or competing.

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VMDmZ TIL in the 1950s an American economist (Armen A. Alchian) figured out lithium was used to fuel Hydrogen bombs just by looking at publicly-available stock prices.
lomG1 TIL that Occam's Razor is one of many 'Razors' in Philosophy - including Hitchen's Razor and Hanlon's Razor - all are principles that allow you to 'shave off' unlikely explanations.
VBXAD TIL in 1950 Ohio State and Michigan played a football game in a blizzard so bad that neither team could move the ball. The 2 teams punted 45 times for over 1400 yards and only had 3 first downs. Michigan won 9-3 with all points coming as a result of blocked punts.
YpOEZ TIL Pornhub once led a crowd funding campaign to raise money to be the first to film a pornographic film in space. The film was to be slated for 2016, to include 6 months of training for 2 performers and a 6 person crew.
kObrE TIL that when Marie Curie ran out of radium for her research in 1921, a women's magazine lead a crowdfunding campaign and raised $100,000 to buy her some more.